Upʻo nŭp kanŭn kil
Subtitle: chayon saengtʻaegye ŭi pogo, kŭ modŭn iyagi
By: kŭl Kang Pyŏng-guk ; sajin Chʻoe Chong-su
Contributors: Ch'oe, Chŏng-su
Edition: 1-pʻan
Publisher: Tonghaksa
Published: 2004
Place of publication: Sŏul
Language: kor
Number of pages: 122
ISBN-13: 9788971901458
Subjects: Wetland ecology; Wildlife conservation; Natural history
Other titles: What's in the Woopo?
Notes: Includes index.